vkCmdTraceRaysKHR

To dispatch ray tracing use:

void vkCmdTraceRaysKHR(
    VkCommandBuffer commandBuffer,
    const VkStridedDeviceAddressRegionKHR* pRaygenShaderBindingTable,
    const VkStridedDeviceAddressRegionKHR* pMissShaderBindingTable,
    const VkStridedDeviceAddressRegionKHR* pHitShaderBindingTable,
    const VkStridedDeviceAddressRegionKHR* pCallableShaderBindingTable,
    uint32_t width,
    uint32_t height,
    uint32_t depth);

• commandBuffer is the command buffer into which the command will be recorded.
• pRaygenShaderBindingTable is a VkStridedDeviceAddressRegionKHR that holds the shader binding table data for the ray generation shader stage.
• pMissShaderBindingTable is a VkStridedDeviceAddressRegionKHR that holds the shader binding table data for the miss shader stage.
• pHitShaderBindingTable is a VkStridedDeviceAddressRegionKHR that holds the shader binding table data for the hit shader stage.
• pCallableShaderBindingTable is a VkStridedDeviceAddressRegionKHR that holds the shader binding table data for the callable shader stage.
• width is the width of the ray trace query dimensions.
• height is height of the ray trace query dimensions.
• depth is depth of the ray trace query dimensions.

When the command is executed, a ray generation group of width × height × depth rays is assembled.